/**
 * Simple text width
 */
export default class TextRuler {
    private _style;
    private _sizes;
    private _span;
    constructor(_style?: any);
    style: any;
    /**
     * converts a pixel point to a caret position in text
     */
    convertPointToCharacterPosition(text: any, point: any): number;
    calculateLineHeight(): any;
    /**
     * calculates the width & height of text
     */
    calculateSize(text: any): any;
    /**
     * calculates the size of one character
     */
    calculateCharacterSize(char: any): any;
    /**
     */
    _getLetterSpacing(): any;
    /**
     * returns a temporary span which gets removed after
     * calculations
     */
    _getTemporarySpan(): any;
}